For MAX30001, can we leave DRVP/DRVN unconnected (i.e. floating)
DRVP/DRVN is used for BioZ measurement. If users don't need to measure Bioz and use a 3-electrode connection (ECGP, ECGN and a BB connected to VCM), they can leave DRVP/DRVN unconnected.
